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本篇文章為大家展示了feign調用接口不穩定怎么解決，內容簡明扼要并且容易理解，絕對能使你眼前一亮，通過這篇文章的詳細介紹希望你能有所收獲。
Caused by: java.net.SocketException: Software caused connection abort: recv failed at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.socketRead(SocketInputStream.java:116) at java.net.SocketInputStream.read(SocketInputStream.java:170) at java.net.SocketInputStream.read(SocketInputStream.java:141) at org.apache.http.impl.io.SessionInputBufferImpl.streamRead(SessionInputBufferImpl.java:137) at org.apache.http.impl.io.SessionInputBufferImpl.fillBuffer(SessionInputBufferImpl.java:153) at org.apache.http.impl.io.SessionInputBufferImpl.readLine(SessionInputBufferImpl.java:282) at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:140) at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:57) at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:259) at org.apache.http.impl.DefaultBHttpClientConnection.receiveResponseHeader(DefaultBHttpClientConnection.java:163) at org.apache.http.impl.conn.CPoolProxy.receiveResponseHeader(CPoolProxy.java:167) at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:273) at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125) at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:271) at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:184) at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:88) at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110) at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:107) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:55) at feign.httpclient.ApacheHttpClient.execute(ApacheHttpClient.java:87) at org.springframework.cloud.netflix.feign.ribbon.RetryableFeignLoadBalancer$1.doWithRetry(RetryableFeignLoadBalancer.java:92) at org.springframework.cloud.netflix.feign.ribbon.RetryableFeignLoadBalancer$1.doWithRetry(RetryableFeignLoadBalancer.java:77) at org.springframework.retry.support.RetryTemplate.doExecute(RetryTemplate.java:286) at org.springframework.retry.support.RetryTemplate.execute(RetryTemplate.java:163) at org.springframework.cloud.netflix.feign.ribbon.RetryableFeignLoadBalancer.execute(RetryableFeignLoadBalancer.java:77) at org.springframework.cloud.netflix.feign.ribbon.RetryableFeignLoadBalancer.execute(RetryableFeignLoadBalancer.java:48) at com.netflix.client.AbstractLoadBalancerAwareClient$1.call(AbstractLoadBalancerAwareClient.java:109) at com.netflix.loadbalancer.reactive.LoadBalancerCommand$3$1.call(LoadBalancerCommand.java:303) at com.netflix.loadbalancer.reactive.LoadBalancerCommand$3$1.call(LoadBalancerCommand.java:287) at rx.internal.util.ScalarSynchronousObservable$3.call(ScalarSynchronousObservable.java:231) at rx.internal.util.ScalarSynchronousObservable$3.call(ScalarSynchronousObservable.java:228) at rx.Observable.unsafeSubscribe(Observable.java:10211) at rx.internal.operators.OnSubscribeConcatMap$ConcatMapSubscriber.drain(OnSubscribeConcatMap.java:286) at rx.internal.operators.OnSubscribeConcatMap$ConcatMapSubscriber.onNext(OnSubscribeConcatMap.java:144) at com.netflix.loadbalancer.reactive.LoadBalancerCommand$1.call(LoadBalancerCommand.java:185) at com.netflix.loadbalancer.reactive.LoadBalancerCommand$1.call(LoadBalancerCommand.java:180) at rx.Observable.unsafeSubscribe(Observable.java:10211) at rx.internal.operators.OnSubscribeConcatMap.call(OnSubscribeConcatMap.java:94) at rx.internal.operators.OnSubscribeConcatMap.call(OnSubscribeConcatMap.java:42) at rx.Observable.unsafeSubscribe(Observable.java:10211) at rx.internal.operators.OperatorRetryWithPredicate$SourceSubscriber$1.call(OperatorRetryWithPredicate.java:127) at rx.internal.schedulers.TrampolineScheduler$InnerCurrentThreadScheduler.enqueue(TrampolineScheduler.java:73) at rx.internal.schedulers.TrampolineScheduler$InnerCurrentThreadScheduler.schedule(TrampolineScheduler.java:52) at rx.internal.operators.OperatorRetryWithPredicate$SourceSubscriber.onNext(OperatorRetryWithPredicate.java:79) at rx.internal.operators.OperatorRetryWithPredicate$SourceSubscriber.onNext(OperatorRetryWithPredicate.java:45) at rx.internal.util.ScalarSynchronousObservable$WeakSingleProducer.request(ScalarSynchronousObservable.java:276) at rx.Subscriber.setProducer(Subscriber.java:209) at rx.internal.util.ScalarSynchronousObservable$JustOnSubscribe.call(ScalarSynchronousObservable.java:138) at rx.internal.util.ScalarSynchronousObservable$JustOnSubscribe.call(ScalarSynchronousObservable.java:129) at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48) at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30) at rx.Observable.subscribe(Observable.java:10307) at rx.Observable.subscribe(Observable.java:10274) at rx.observables.BlockingObservable.blockForSingle(BlockingObservable.java:445) at rx.observables.BlockingObservable.single(BlockingObservable.java:342) at com.netflix.client.AbstractLoadBalancerAwareClient.executeWithLoadBalancer(AbstractLoadBalancerAwareClient.java:117) at org.springframework.cloud.netflix.feign.ribbon.LoadBalancerFeignClient.execute(LoadBalancerFeignClient.java:63) at feign.SynchronousMethodHandler.executeAndDecode(SynchronousMethodHandler.java:97) ... 117 common frames omitted
feign在調用時，會有不穩定的情況出現，時而出現接口調不通。解決方案如下，復寫FeignRibbonClientAutoConfiguration中的HttpClient的配置。代碼如下：
import org.apache.http.config.Registry;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.socket.PlainConnectionSocketFactory;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.impl.NoConnectionReuseStrategy;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.apache.http.ssl.SSLContexts;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Component;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import java.security.KeyManagementException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
@Component
public class FeignRibbonHttpClientPoolConfig {
private static final int POOL_MAX_TOTAL = 3000;
private static final int DEFAULT_MAX_PER_ROUTE = 500;
//validateAfterInactivity 空閑永久連接檢查間隔，這個牽扯的還比較多
//官方推薦使用這個來檢查永久鏈接的可用性，而不推薦每次請求的時候才去檢查
private static final int VALIDATE_AFTER_INACTIVITY = 1000;
@Bean(name = "httpClient", destroyMethod = "close")
CloseableHttpClient httpClient() throws KeyManagementException {
return buildCloseableHttpClient();
}
/**
* 構建HttpClient連接池
*
* @return
* @throws KeyManagementException
*/
public CloseableHttpClient buildCloseableHttpClient() throws KeyManagementException {
SSLContext sslcontext = SSLContexts.createDefault();
sslcontext.init(null, new TrustManager[]{new TrustAnyManager()}, null); //設置https客戶端信任萬能證書
SSLConnectionSocketFactory ssf = new SSLConnectionSocketFactory(sslcontext, NoopHostnameVerifier.INSTANCE);
//注冊請求方式，根據URL自動請求
Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory>create()
.register("http", PlainConnectionSocketFactory.INSTANCE)
.register("https", ssf)
.build();
//創建Http連接池，單位時間內釋放已使用過連接池中的連接
PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager(socketFactoryRegistry);
connectionManager.setMaxTotal(POOL_MAX_TOTAL);
connectionManager.setDefaultMaxPerRoute(DEFAULT_MAX_PER_ROUTE);
connectionManager.setValidateAfterInactivity(VALIDATE_AFTER_INACTIVITY);
return HttpClients.custom()
.setConnectionManager(connectionManager)
.setConnectionReuseStrategy(NoConnectionReuseStrategy.INSTANCE)
.build();
}
class TrustAnyManager implements X509TrustManager {
public void checkClientTrusted(X509Certificate[] chain,
String authType) throws CertificateException {
}
public void checkServerTrusted(X509Certificate[] chain,
String authType) throws CertificateException {
}
public X509Certificate[] getAcceptedIssuers() {
return new X509Certificate[]{};
}
}
}補充知識：springcloud之FeignClient訪問微服務接口緩慢
昨天開發FeignClient，想調用微服務。邏輯是A服務調用B服務。AB在同一個局域網內。
經過反復測試，有一個訪問緩慢的現象，具體表現為：
程序啟動第一次訪問初始化1.2秒左右，還可以理解。
但后面訪問還是要1.1秒左右（格式化到SSS毫秒打印日志監控的）。
但如果連續訪問幾次，后面幾次又是幾十毫秒。過一會再訪問，或者換瀏覽器換post工具請求，又會1.2秒左右。
當時就有點懵逼，這么成熟的工具不可能會這么慢吧，都是一個局域網。
排查了eureka注冊中心，發現B服務多注冊了一個，IP地址是192開頭，經過詢問，是一個同事的筆記本連接wifi，wifi自動分配了192開頭的ip，筆記本是可以訪問注冊中心和其他服務的。但其他服務是訪問不了這臺筆記本的。
也就是說，B服務的一個注冊的網絡和其他服務是不通的。
但不知道為什么eureka卻認為192ip注冊是一個正確的微服務，而且一直是UP狀態。注冊中心的ip肯定是訪問不了筆記本192ip的。
手工訪問了一下192ip，不會直接提示404或網絡錯誤，而是會加載一會。
這也許導致了FeignClient認為192ip是一臺可用的機器。所以第一次請求的時候就去請求192ip，但沒返回，到了超時時間，再換B服務的其他地址，就導致了耗時。
讓同事把服務停了，再次調用服務，速度就很快了。
上述內容就是feign調用接口不穩定怎么解決，你們學到知識或技能了嗎？如果還想學到更多技能或者豐富自己的知識儲備，歡迎關注億速云行業資訊頻道。
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